/* ===== PORTFOLIO - REFINED VISUAL SYSTEM ===== */

/* ========================================
   DESIGN TOKENS
   ======================================== */

:root {
    /* Color Palette */
    --bg-primary: #050505;
    --bg-secondary: #0A0A0A;
    --bg-elevated: #0F0F0F;

    --border-subtle: #1A1A1A;
    --border-default: #222222;
    --border-emphasis: #333333;

    --accent-primary: #FF7A5C;
    --accent-hover: #FF8A6B;
    --accent-muted: rgba(255, 122, 92, 0.15);

    --text-primary: #EAEAEA;
    --text-secondary: #B0B0B0;
    --text-tertiary: #888888;
    --text-inverse: #000000;

    /* Typography Scale */
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: "IBM Plex Mono", "Courier New", monospace;
    --font-display: "Manrope", var(--font-sans);

    --text-xs: 0.75rem;
    /* 12px */
    --text-sm: 0.875rem;
    /* 14px */
    --text-base: 1.1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: 1.25rem;
    /* 20px */
    --text-2xl: 1.5rem;
    /* 24px */
    --text-3xl: 2rem;
    /* 32px */
    --text-4xl: 2.5rem;
    /* 40px */
    --text-5xl: 3rem;
    /* 48px */

    --leading-tight: 1.1;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 2;

    --tracking-tight: -0.03em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;
    --tracking-widest: 0.15em;

    /* Spacing Scale (8px base) */
    --space-1: 0.5rem;
    /* 8px */
    --space-2: 1rem;
    /* 16px */
    --space-3: 1.5rem;
    /* 24px */
    --space-4: 2rem;
    /* 32px */
    --space-5: 2.5rem;
    /* 40px */
    --space-6: 3rem;
    /* 48px */
    --space-8: 4rem;
    /* 64px */
    --space-10: 5rem;
    /* 80px */
    --space-12: 6rem;
    /* 96px */
    --space-16: 8rem;
    /* 128px */

    /* Layout */
    --content-max: 1200px;
    --content-narrow: 800px;
    --content-wide: 1400px;

    /* Animation */
    --duration-instant: 100ms;
    --duration-fast: 200ms;
    --duration-base: 300ms;
    --duration-slow: 500ms;

    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 4px 16px rgba(255, 122, 92, 0.25);
}

/* ========================================
   BASE STYLES
   ======================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    box-sizing: border-box;
    width: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    background-image:
        radial-gradient(circle at center, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 200px);
    background-size: 24px 24px, 100% 100%;
    background-attachment: fixed, scroll;
    width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    position: relative;
    animation: pageLoad var(--duration-slow) var(--ease-out);
}

@keyframes pageLoad {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--duration-base) var(--ease-in-out);
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ========================================
   LAYOUT
   ======================================== */

.page-shell {
    min-height: 100vh;
    padding: var(--space-5) var(--space-3) var(--space-8);
    max-width: var(--content-max);
    margin: 0 auto;
}

main {
    display: flex;
    flex-direction: column;
    gap: var(--space-12);
}

.about-layout {
    gap: 0;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 calc(var(--space-5) * -1) var(--space-8);
    padding: var(--space-2) var(--space-5);
    position: sticky;
    top: 0;
    z-index: 100;
    background: transparent;
    transition: all var(--duration-base) var(--ease-out);
}

.site-header.is-scrolled {
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    background: rgba(5, 5, 5, 0.8);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 0;
}

.brand {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    transition: color var(--duration-base) var(--ease-out);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
    display: inline-block;
    vertical-align: middle;
}

.brand:hover {
    color: var(--accent-primary);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-link {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--text-tertiary);
    position: relative;
    padding-bottom: 0.25rem;
    transition: color var(--duration-base) var(--ease-out);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-base) var(--ease-out);
}

.nav-link.active::after {
    transform: scaleX(1);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--duration-base) var(--ease-out);
}

.nav-cta:hover {
    border-color: var(--accent-primary);
    background: var(--accent-muted);
}

/* Header color variants */
.site-header.over-light {
    color: var(--text-inverse);
}

.site-header.over-light .brand,
.site-header.over-light .nav-link {
    color: rgba(0, 0, 0, 0.6);
}

.site-header.over-light .nav-link:hover,
.site-header.over-light .nav-link.active {
    color: var(--text-inverse);
}

.site-header.over-light .nav-link::after {
    background: var(--text-inverse);
}

.site-header.over-light .nav-cta {
    border-color: rgba(0, 0, 0, 0.2);
}

.site-header.over-light .nav-cta:hover {
    border-color: var(--text-inverse);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-default);
    color: var(--text-primary);
}

.btn-ghost:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: var(--accent-muted);
}

.btn-icon-img {
    width: 16px;
    height: 16px;
}

/* Button variants for colored backgrounds */
.cs-outro .btn-icon-img,
.about-quote .btn-icon-img {
    content: url('assets/images/InBug-Black.png');
}

.cs-outro .btn-primary {
    background: var(--text-inverse);
    color: var(--accent-primary);
}

.cs-outro .btn-primary:hover {
    background: var(--bg-elevated);
    transform: translateY(-2px);
}

.cs-outro .btn-ghost {
    border-color: rgba(0, 0, 0, 0.3);
    color: var(--text-inverse);
    background: rgba(0, 0, 0, 0.05);
}

.cs-outro .btn-ghost:hover {
    border-color: var(--text-inverse);
    background: rgba(0, 0, 0, 0.15);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-4) 0;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: var(--tracking-wider);
    color: var(--accent-primary);
    margin-bottom: var(--space-2);
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(var(--text-5xl), 8vw, 6rem);
    font-weight: 800;
    line-height: var(--leading-normal);
    letter-spacing: var(--tracking-tight);
    margin: 0;
}

.accent-dot {
    color: var(--accent-primary);
    animation: blink 1.5s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.lead {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    max-width: 600px;
    margin-top: var(--space-2);
}

.hero-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-4);
    flex-wrap: wrap;
}

/* ========================================
   SECTION HEADINGS
   ======================================== */

.section-heading {
    margin-bottom: var(--space-6);
}

.section-heading .eyebrow {
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--text-tertiary);
}

.section-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-primary);
    flex-shrink: 0;
}

/* ========================================
   CASE CARDS
   ======================================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.case-card {
    border: 1px solid var(--border-default);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    transition: all var(--duration-base) var(--ease-out);
}

.case-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-media {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-default);
    overflow: hidden;
}

.case-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.case-card:hover .case-media img {
    transform: scale(1.05);
}

.case-body {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex: 1;
}

.case-title {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    font-weight: 700;
    line-height: var(--leading-snug);
}

.case-desc {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    flex: 1;
}

.case-cta {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--accent-primary);
}

/* ========================================
   ABOUT PAGE
   ======================================== */

.about-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-6) 0;
}

.about-photo {
    position: relative;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: var(--bg-secondary);
    overflow: hidden;
}

.about-photo::before {
    content: '';
    position: absolute;
    inset: -16px;
    border: 2px solid var(--accent-primary);
    opacity: 0.4;
    z-index: -1;
    animation: photoPulse 4s ease-in-out infinite;
}

@keyframes photoPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.02);
    }
}

.about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
    transition: filter var(--duration-slow) var(--ease-out);
}

.about-photo:hover img {
    filter: grayscale(0%) contrast(1);
}

.about-heading {
    font-family: var(--font-display);
    font-size: clamp(var(--text-5xl), 8vw, 6rem);
    font-weight: 800;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    margin: 0 0 var(--space-2);
}

.orange-dot {
    color: var(--accent-primary);
}

.about-copy {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: var(--content-narrow);
    margin: 0 auto;
}

.about-copy p {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--space-3);
}

.about-copy p::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    opacity: 0.5;
}

.about-copy p:first-of-type {
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--text-primary);
    padding-left: 0;
}

.about-copy p:first-of-type::before {
    display: none;
}

.company-name-white {
    color: var(--text-primary);
    font-weight: 600;
}

.about-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-8);
    flex-wrap: wrap;
}

.about-actions-row {
    display: flex;
    gap: var(--space-2);
}

.about-quote {
    position: relative;
    left: 50%;
    right: 50%;
    width: 100vw;
    margin-left: -50vw;
    margin-right: -50vw;
    background: var(--accent-primary);
    color: var(--text-inverse);
    overflow-x: hidden;
    padding: var(--space-12) var(--space-4);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: var(--space-8);
}

.about-quote .quote-mark {
    font-family: var(--font-mono);
    font-size: 12rem;
    font-weight: 700;
    line-height: 1;
    position: absolute;
    top: -2rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.08;
    color: var(--text-inverse);
}

.about-quote p {
    font-family: var(--font-sans);
    font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
    font-weight: 600;
    line-height: var(--leading-snug);
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ========================================
   TIMELINE / EXPERIENCE
   ======================================== */

.experience {
    position: relative;
    left: 50%;
    right: 50%;
    width: 100vw;
    margin-left: -50vw;
    margin-right: -50vw;
    background: var(--bg-secondary);
    padding: var(--space-16) var(--space-4);
    overflow-x: hidden;
    border-top: 1px solid var(--border-default);
    border-bottom: 1px solid var(--border-default);
}

.experience-inner {
    max-width: var(--content-narrow);
    margin: 0 auto;
}

.experience-title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: var(--space-8);
}

.timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 80px;
    width: 1px;
    background: var(--border-default);
}

.timeline-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--space-4);
    position: relative;
    padding-bottom: var(--space-6);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: relative;
    display: flex;
    justify-content: flex-end;
    padding-top: 1.25rem;
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    padding-right: var(--space-4);
}

.timeline-marker::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 1.5rem;
    width: 9px;
    height: 9px;
    background: var(--bg-secondary);
    border: 2px solid var(--text-tertiary);
    border-radius: 50%;
    z-index: 1;
    transition: all var(--duration-base) var(--ease-out);
}

.timeline-item:hover .timeline-marker::after,
.timeline-item.is-open .timeline-marker::after {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px rgba(255, 122, 92, 0.5);
}

.timeline-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-default);
    border-radius: 2px;
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-out);
}

.timeline-item:hover .timeline-content,
.timeline-item.is-open .timeline-content {
    border-color: var(--border-emphasis);
}

.timeline-toggle {
    width: 100%;
    background: transparent;
    border: none;
    padding: var(--space-3);
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-2);
    color: inherit;
}

.timeline-header-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.timeline-role {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
}

.timeline-company {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--text-secondary);
}

.timeline-date-range {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    opacity: 0.8;
    margin-top: 0.25rem;
}

.toggle-icon {
    font-size: var(--text-2xl);
    line-height: 1;
    color: var(--text-tertiary);
    transition: all var(--duration-base) var(--ease-out);
}

.timeline-item.is-open .toggle-icon {
    transform: rotate(45deg);
    color: var(--accent-primary);
}

.timeline-panel {
    padding: 0 var(--space-3) var(--space-3);
    display: none;
}

.timeline-item.is-open .timeline-panel {
    display: block;
    animation: slideDown var(--duration-base) var(--ease-out);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-desc {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin: 0;
    border-top: 1px solid var(--border-subtle);
    padding-top: var(--space-2);
}

.timeline-desc+.timeline-desc {
    margin-top: var(--space-2);
    border-top: none;
    padding-top: 0;
}

.experience-cta {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-8);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-default);
}

/* ========================================
   CASE STUDY PAGES
   ======================================== */

.case-study-page main {
    gap: var(--space-10);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--text-tertiary);
    border-bottom: 1px solid transparent;
    width: fit-content;
    transition: all var(--duration-base) var(--ease-out);
}

.back-link:hover {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.cs-hero {
    max-width: var(--content-narrow);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.cs-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(var(--text-5xl), 8vw, 4.5rem);
    font-weight: 700;
    line-height: 104px;
    margin: 0 0 var(--space-4);
}

.cs-hero-intro {
    font-family: var(--font-mono);
    font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
    line-height: 32px;
    color: var(--text-secondary);
    margin: 0;
}

.cs-hero-intro+.cs-hero-intro {
    margin-top: var(--space-2);
}

.cs-meta {
    border-top: 1px solid var(--border-default);
    border-bottom: 1px solid var(--border-default);
    padding: var(--space-4) 0;
}

.cs-meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: 48px;
}

.cs-meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cs-meta-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin: 0;
}

.cs-meta-value {
    font-size: var(--text-xl);
    font-weight: 600;
    margin: 0;
}

.cs-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.cs-section-heading {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.cs-section-label {
    font-family: var(--font-mono);
    font-size: var(--text-s);
    font-weight: 500;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin: 0;
}

.cs-section-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    color: var(--text-secondary);
    overflow: hidden; /* Prevent any content from causing horizontal scroll */
}

.cs-section-body ul,
.cs-section-body ol {
    margin: 1em 0;
    padding-left: 1.5em; /* Standard indentation for lists */
    list-style-position: outside; /* Keep bullets inside the content flow */
    max-width: 100%;
    overflow: hidden;
}

.cs-section-body li {
    margin-bottom: 0.5em;
    padding-left: 0.5em;
    text-indent: -0.5em; /* Hanging indent for better alignment */
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Ensure list items don't overflow */
.cs-section-body li > * {
    display: inline;
}

/* Style for h4 in case studies */
h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--space-6) 0 var(--space-3) 0;
    line-height: var(--leading-snug);
}

/* Style for cs-list */
.cs-list {
    margin: var(--space-4) 0;
    padding-left: 1.25em;
    list-style-type: none; /* Remove default bullets */
}

.cs-list li {
    margin-bottom: var(--space-3);
    line-height: var(--leading-relaxed);
    position: relative;
    padding-left: 1em;
    text-indent: -0.5em;
    color: var(--text-secondary);
}

.cs-list li:before {
    content: '•';
    position: relative;
    left: -0.5em;
    color: var(--accent-primary);
    font-size: 1.2em;
    line-height: 1;
    vertical-align: middle;
}

.cs-section-body p {
    margin: 0;
    line-height: 32px;
}

.cs-subtitle {
    font-family: var(--font-mono);
    font-size: var(--text-base);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--accent-primary);
    margin: 0;
}

.cs-text-block {
    border-top: 1px solid var(--border-default);
    padding-top: var(--space-3);
    margin-top: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.cs-text-block p {
    margin-bottom: 0;
}

/* Case Study Media */
.cs-media {
    margin: var(--space-3) 0 0;
    padding: var(--space-2);
    border: 1px solid var(--border-default);
    background: rgba(255, 255, 255, 0.02);
}

.cs-media figcaption {
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    text-align: center;
}

.cs-media-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 1px solid var(--border-default);
    background: var(--bg-elevated);
    display: grid;
    place-items: center;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.cs-media-placeholder:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-accent);
}

.cs-media-placeholder.has-image {
    padding: 0;
    background: var(--bg-primary);
}

.cs-media-placeholder.has-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cs-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.cs-media-grid .cs-media-placeholder {
    aspect-ratio: 4 / 3;
}

/* Goals & Learnings */
.cs-goals,
.cs-learnings {
    border-top: 1px solid var(--border-default);
    padding-top: var(--space-5);
    margin-top: var(--space-6);
}

.cs-goals-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2);
    grid-template-columns: 1fr 1fr;.cs-process-item p
}

.cs-goal-pill {
    border: 1px solid var(--border-default);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-elevated);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-base);
    color: var(--text-primary);
    transition: all var(--duration-base) var(--ease-out);
}

.cs-goal-pill:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-accent);
}

.cs-goal-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-primary);
    flex-shrink: 0;
}

.cs-learnings-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.cs-learning-pill {
    position: relative;
    background: transparent;
    padding: var(--space-3) var(--space-3) var(--space-3) var(--space-5);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    border: none;
    border-left: 3px solid var(--accent-primary);
    transition: all var(--duration-base) var(--ease-out);
}

.cs-learning-pill:hover {
    padding-left: calc(var(--space-5) + 0.5rem);
    background: var(--accent-muted);
}

.cs-learning-pill::before {
    content: "";
    position: absolute;
    left: var(--space-2);
    top: 1.5rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-primary);
}

/* Process */
.cs-process {
    border-top: 1px solid var(--border-default);
    padding-top: var(--space-4);
}

.cs-process-steps {
    display: flex;
    flex-direction: column;
}

.cs-process-item {
    display: flex;
    flex-direction: column;
    grid-template-columns: 60px minmax(0, 1fr);
    gap: var(--space-3);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border-default);
}

.cs-process-item:first-child {
    border-top: 1px solid var(--border-default);
}

.cs-process-number {
    font-family: var(--font-mono);
    font-size: var(--text-base);
    font-weight: 600;
    letter-spacing: var(--tracking-widest);
    color: var(--accent-primary);
}

.cs-process-item h3 {
    font-family: var(--font-mono);
    font-size: var(--text-2xl);
    font-weight: 700;
    line-height: var(--leading-snug);
    margin: 0 0 var(--space-2);
}

.cs-process-item p {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Impact */
.cs-impact {
    border-top: 1px solid var(--border-default);
    padding-top: var(--space-4);
}

.cs-impact-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
}

.cs-impact-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.cs-impact-kpi {
    font-family: var(--font-sans);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--accent-primary);
    margin: 0;
}

.cs-impact-column h3 {
    font-family: var(--font-sans);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.cs-impact-column p {
    font-family: var(--font-mono);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin: 0;
}

/* Case Study Outro */
.cs-outro {
    position: relative;
    left: 50%;
    right: 50%;
    width: 100vw;
    margin-left: -50vw;
    margin-right: -50vw;
    background: var(--accent-primary);
    color: var(--text-inverse);
    overflow-x: hidden;
    padding: var(--space-8) var(--space-4);
    margin-top: var(--space-8);
}

.cs-outro-content {
    max-width: var(--content-max);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    align-items: flex-start;
}

.cs-outro-title {
    font-family: var(--font-mono);
    font-size: var(--text-4xl);
    font-weight: 700;
    margin: 0;
}

.cs-outro-subtitle {
    font-size: var(--text-lg);
    color: rgba(0, 0, 0, 0.7);
    margin: 0;
}

.cs-outro-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-4);
    flex-wrap: wrap;
}

/* ========================================
   REVEAL ANIMATIONS
   ======================================== */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity var(--duration-slow) var(--ease-out),
        transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal[data-animate="fade"] {
    transform: none;
}

.reveal[data-animate="scale"] {
    transform: scale(0.96);
}

.reveal[data-animate="up"].is-visible,
.reveal[data-animate="fade"].is-visible,
.reveal[data-animate="scale"].is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Stagger delays */
.card-grid .reveal:nth-child(1) {
    transition-delay: 0ms;
}

.card-grid .reveal:nth-child(2) {
    transition-delay: 100ms;
}

.card-grid .reveal:nth-child(3) {
    transition-delay: 200ms;
}

.card-grid .reveal:nth-child(4) {
    transition-delay: 300ms;
}

.timeline .reveal:nth-child(1) {
    transition-delay: 0ms;
}

.timeline .reveal:nth-child(2) {
    transition-delay: 80ms;
}

.timeline .reveal:nth-child(3) {
    transition-delay: 160ms;
}

.timeline .reveal:nth-child(4) {
    transition-delay: 240ms;
}

.timeline .reveal:nth-child(5) {
    transition-delay: 320ms;
}

.timeline .reveal:nth-child(6) {
    transition-delay: 400ms;
}

/* Ensure images are always visible */
.reveal img,
.reveal .case-media,
.reveal .about-photo {
    opacity: 1 !important;
}

/* ========================================
   LIGHTBOX
   ======================================== */

.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 10000;
    display: none;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-base) var(--ease-out);
}

.lightbox-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-frame {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 90vw;
    max-height: 90vh;
    padding: var(--space-4);
}

.lightbox-content {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
    box-shadow: var(--shadow-lg);
    border-radius: 4px;
    display: none;
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
}

.lightbox-image.loaded {
    display: block;
    opacity: 1;
}

.lightbox-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: var(--text-2xl);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10002;
    opacity: 0.8;
    transition: all var(--duration-fast) var(--ease-out);
}

.lightbox-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.15);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: var(--text-2xl);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10002;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.lightbox-nav.lightbox-prev {
    left: var(--space-2);
}

.lightbox-nav.lightbox-next {
    right: var(--space-2);
}

.lightbox-counter {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 900px) {
    .cs-meta-grid {
        grid-template-columns: 1fr;
        margin-bottom: 32px;
    }

    .cs-process-item {
        grid-template-columns: 50px 1fr;
        gap: var(--space-2);
    }

    .about-photo {
        max-width: 350px;
    }
}

@media (max-width: 768px) {
    .site-header {
        padding: var(--space-2) var(--space-3);
        margin: 0 calc(-1 * var(--space-3));
    }
    
    .brand {
        max-width: 180px;
        font-size: var(--text-xs);
    }
    .card-grid {
        grid-template-columns: 1fr;
    }

    .lightbox-nav,
    .lightbox-close {
        width: 40px;
        height: 40px;
        font-size: var(--text-xl);
    }
}

@media (max-width: 600px) {
    .page-shell {
        padding: var(--space-4) var(--space-2) var(--space-8);
    }

    .site-header {
        margin: 0 calc(var(--space-4) * -1) var(--space-6);
        padding: var(--space-2) var(--space-4);
    }

    .cs-hero h1 {
        font-size: clamp(var(--text-4xl), 8vw, var(--text-5xl));
        line-height: 48px;
    }

    .cs-goals-list {
        grid-template-columns: 1fr;
    }

    .cs-outro-actions,
    .hero-actions,
    .about-actions {
        gap: var(--space-1);
    }

    .btn {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-xs);
    }

    /* Mobile Timeline - Improved Layout */
    .timeline::before {
        display: none;
    }

    .timeline {
        display: flex;
        flex-direction: column;
        gap: var(--space-4);
    }

    .timeline-item {
        display: block;
        padding: 0;
        position: relative;
    }

    .timeline-marker {
        display: none;
    }

    .timeline-content {
        border-radius: 8px;
        overflow: hidden;
        transition: transform var(--duration-base) var(--ease-out), 
                   box-shadow var(--duration-base) var(--ease-out);
    }

    .timeline-item:hover .timeline-content,
    .timeline-item.is-open .timeline-content {
        transform: translateY(-2px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    }

    .timeline-toggle {
        width: 100%;
        padding: var(--space-3) var(--space-4) var(--space-3) var(--space-4);
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: var(--space-3);
        background: none;
        border: none;
        text-align: left;
    }

    .timeline-header-info {
        flex: 1;
        min-width: 0; /* Prevents flex item from overflowing */
    }

    .timeline-role {
        font-size: var(--text-base);
        font-weight: 600;
        margin-bottom: 0.25rem;
        display: block;
        width: 100%;
        padding-right: 2rem; /* Space for the toggle icon */
    }

    .timeline-company {
        font-size: var(--text-sm);
        color: var(--text-secondary);
        display: block;
        margin-bottom: 0.25rem;
    }

    .timeline-date-range {
        font-family: var(--font-mono);
        font-size: 0.7rem;
        color: var(--text-tertiary);
        border-radius: 4px;
        white-space: nowrap;
        margin-top: 0.25rem;
        display: inline-block;
    }

    .toggle-icon {
        position: absolute;
        right: var(--space-4);
        top: var(--space-4);
        font-size: 1.2rem;
        color: var(--text-tertiary);
        transition: transform 0.2s ease;
    }

    .timeline-item.is-open .toggle-icon {
        transform: rotate(45deg);
        color: var(--accent-primary);
    }

    .timeline-panel {
        padding: 0 var(--space-4) var(--space-4);
    }

    .lightbox-close {
        top: var(--space-2);
        right: var(--space-2);
        width: 36px;
        height: 36px;
    }

    .lightbox-nav {
        width: 36px;
        height: 36px;
    }

    .lightbox-nav.lightbox-prev {
        left: var(--space-1);
    }

    .lightbox-nav.lightbox-next {
        right: var(--space-1);
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    body {
        animation: none !important;
    }

    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}